Abstract: The instant invention is an improved cure system composition and a method for curing chlorinated elastomer compositions. The cure system composition includes a polymercapto crosslinking agent, an inorganic base, and a quaternary ammonium salt. The quaternary ammonium salt has a formula selected from the group consisting of wherein R1 is an alkyl or aryl group containing between 4 and 12 carbon atoms; wherein R2 and R3 are independently alkyl or aryl groups containing between 1 and 8 carbon atoms; wherein the total number of carbon atoms on R2 and R3 are between 3 and 9; wherein R4 and R5 are methyl groups, and R6 is an alkyl group containing between 2 and 8 carbon atoms; and wherein X is an anion.

Abstract: Conductive polymers are purified using a solid scavenger. The solid scavengers include metal-scavenging functional groups linked to the surface of a particle support material. To improve the functionalization of the support material, the support materials are first treated with sulfuric acid or nitric acid before attaching the molecules containing the metal-scavenging functional groups. The solid scavengers used in the purification methods are more efficient at removing impurities in conductive polymers than existing scavengers.

Abstract: This invention discloses a process for making dilithium initiators in high purity. This process can be conducted in the absence of amines which is desirable since amines can act as modifiers for anionic polymerizations. The dilithium compounds made are highly desirable because they are soluble in aromatic solvents.

Abstract: To provide a rubber composition for a tire increasing the interaction between rubber fillers, low in heat buildup, and able to raise the vulcanization speed. A rubber composition for a tire containing 100 parts by weight of (A) a sulfur-vulcanizable diene-based rubber, (B) 0.1 to 1 part by weight of a 4,4?-oxybis(benzenesulfonylazide) and (C) a vulcanization type compounding agent, wherein the ingredients (A) and (B) are mixed at the time of a first mixing step before the compounding of the ingredient (C).

Abstract: The instant invention is a polypropylene composition, a method of producing the same, and articles made therefrom. The polypropylene composition according to instant invention includes the reactive melt blending product of a high crystalline polypropylene having a crystallinity of at least 64 percent, an elastomer, a coupling agent, and optionally a filler. The polypropylene composition according to instant invention has a melt flow rate in the range of less than 1 g/10 minutes measured at 230° C. under a load of 2.16 kg in accordance with ASTM-D 1238. The method of producing a polypropylene composition according to instant invention includes the following steps: (1) reactive melt blending a high crystalline polypropylene having a crystallinity of at least 64 percent, an elastomer, and optionally a filler in the presence of a coupling agent; and (2) thereby producing the polypropylene composition having a melt flow rate in the range of less than 1 g/10 minutes measured at 230° C. under a load of 2.

Abstract: To provide a compound which has a higher vulcanization efficiency and superior heat aging resistance compared to conventional compounding agents for rubber compositions and which is environmentally friendly. An amine salt compound of a carboxylic acid containing a thermal dissociation portion having the Formula (I): wherein R represents an organic group selected from a C1 to C20 alkyl group, a C3 to C10 cycloalkyl group, a C6 to C20 aryl group and a C7 to C30 alkaryl group, R1, R2 and R3 independently represent a hydrogen atom or a C1 to C20 organic group which may have a heteroatom and/or a substituent group and X represents a C2 to C20 organic group which may have a heteroatom and/or a substituent group and a compounding agent for rubber vulcanization and a rubber composition containing the same.

Abstract: The present invention provides a fluorine-containing elastomer composition excellent in heat resistance, comprising a fluorine-containing elastomer containing a vinylidene fluoride unit, which is capable of a crosslinking reaction, and a crosslinking agent. The present invention also provides a molded article, a sealing material, and a sealing material for an oxygen sensor excellent in heat resistance, which comprises the composition. The present invention is a fluorine-containing elastomer composition comprising (A) at least one compound selected form the group consisting of a compound containing at least two crosslinking reaction group s represented by the general formula (1), a compound represented by the general formula (2), a compound represented by the general formula (3) and a compound represented by the general formula (4); and (B) a fluorine-containing elastomer capable of a crosslinking reaction with the compound (A), comprising a vinylidene fluoride unit.

Abstract: A compounding agent for rubber vulcanization comprising an amine salt compound of a carboxylic acid group-containing disulfide having the formula (I): wherein R1, R2 and R3 are independently hydrogen or a C1-C20 organic group which may have a heteroatom and/or a substituent group, and X is a C2-C20 organic group which may have a heteroatom and/or a substituent group, a method for producing the same and a rubber composition containing the same, capable of improving the vulcanization rate and vulcanized rubber physical properties, without having a detrimental effect on the scorch time.

Abstract: The instant invention is an improved cure system composition and a method for curing chlorinated elastomer compositions. The cure system composition includes a polymercapto crosslinking agent, an inorganic base, and a quaternary ammonium salt. The quaternary ammonium salt has a formula selected from the group consisting of wherein R1 is an alkyl or aryl group containing between 4 and 12 carbon atoms; wherein R2 and R3 are independently alkyl or aryl groups containing between 1 and 8 carbon atoms; wherein the total number of carbon atoms on R2 and R3 are between 3 and 9; wherein R4 and R5 are methyl groups, and R6 is an alkyl group containing between 2 and 8 carbon atoms; and wherein X is an anion.

Abstract: Provided is a curable fluoropolymer composition comprising a fluoropolymer comprising interpolymerized units of tetrafluoroethylene, perfluoro(aliphatic vinyl)ether, and a nitrogen-containing cure site monomer; a catalyst to form cross-links with the nitrogen-containing cure site monomer; an organic peroxide; a co-agent to participate in a peroxide cure; and a hydrotalcite compound. Also provided is an article comprising the cured fluoropolymer reaction product of the curable composition and a method for forming a shaped article.

Abstract: Disclosed are crosslinking agents that are the reaction product of reactants that include: (a) an aminoplast compound, and (b) an aminoplast-reactive functional group-containing sulfur-containing compound. Also disclosed are coating compositions and related coatings that utilize such crosslinking agents.

Abstract: An adhesive adapted with particular optical properties, and its use to couple a substrate to a substrate holder during substrate processing are disclosed. After processing the substrate, the optical properties of the adhesive may be exploited to locate and/or remove adhesive residue that may be present on the substrate.

Abstract: Anionically-polymerized living polymers are sequentially functionalized with certain agents X? and Y?. A method of preparing a functionalized polymer comprising the steps of reacting the polymer with a functionalizing agent X?, and then further reacting the polymer with a functionalizing agent Y?.

Abstract: To provide a rubber composition for a tire increasing the interaction between rubber fillers, low in heat buildup, and able to raise the vulcanization speed. A rubber composition for a tire containing 100 parts by weight of (A) a sulfur-vulcanizable diene-based rubber, (B) 0.1 to 1 part by weight of a 4,4?-oxybis(benzenesulfonylazide) and (C) a vulcanization type compounding agent, wherein the ingredients (A) and (B) are mixed at the time of a first mixing step before the compounding of the ingredient (C).

Abstract: An adhesive adapted with particular optical properties, and its use to couple a substrate to a substrate holder during substrate processing are disclosed. After processing the substrate, the optical properties of the adhesive may be exploited to locate and/or remove adhesive residue that may be present on the substrate.

Abstract: A hyperbranch polymer is bonded to a pore surface existing on a SiO2 glass porous body, such that the hyperbranch polymer is bonded to the pore surface only at the base end moiety. The hyperbranch polymer has a first generation branched moiety branched from the base end moiety, a second generation branched moiety further branched from the first generation branched moiety, and a third generation branched moiety further branched from the second generation branched moiety. A functional group, such as sulfonic acid group, from which a proton is capable of being dissociated, is bonded by substitution to the terminal end of the third generation branched moiety.

Abstract: The invention relates to novel organic sulphur-nitrogen compounds, their preparation, and use as vulcanizing agents for unsaturated rubbers and mixtures of these.

Abstract: A composition of a fluoropolymer comprising interpolymerized units of nitrogen-containing cure site monomer and a catalyst comprising a compound having the formula: wherein HA is an acid, each R1, R2, and R3 is independently a C1–C20 alkyl group, which may be cyclic or heterocyclic, or Rf(CH2)x— wherein Rf is a C1–C8 linear or branched and at least partially fluorinated, and x is 1 to 4, and one R group may be a bond to another R group such that the nitrogen is bonded to or part of an alkenyl, cycloalkenyl, or aromatic group. This may further comprise a catalyst composition comprising a compound of the formula R1C(OR2)?NH, and salts thereof, where each R1 and R2 is, independently, a substituted or unsubstituted alkyl, aryl, aralkyl, alkenyl, cycloalkyl, or cycloalkenyl. Also provided are a method of making a fluoropolymer composition and articles prepared from the compositions.

Abstract: Polymers grafted with a compound of formula I, formula (I) wherein the general symbols are as defined in claim 1, have outstanding stability against oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation [R1—SOmnR—SOp—R2.

Abstract: The invention is a photoswitchable benzocyclobutene-based polymer that while remaining aqueous developable, avoids the problem of significant moisture uptake. The oligomer or polymer comprises a polymeric backbone, benzocyclobutene reactive groups, and photoswitchable pendant groups. The pendant groups are bonded to the polymeric backbone and are characterized by the presence of a moiety that converts to carboxylic acid upon exposure to activating wavelengths of radiation a carboxylic acid. When the oligomer or polymer is subsequently heated to cause cure of the oligomer or polymer, carbon dioxide is emitted and the group forms a substantially non-polar moiety. The invention is also a method of making such a polymer and a method of forming a patterned film using such a polymer.

Abstract: A polycarbonate resin molding material containing (A) 100 parts by weight of a polycarbonate resin and 0.001 to 1.0 part by weight of a mold release agent (B) which is composed of a fatty acid ester and a phosphorus-containing heat stabilizer and contains 0.0001 to 50 parts by weight, per 100 parts by weight of the fatty acid ester (b1), of the phosphorus-containing heat stabilizer (b2). The present invention provides a polycarbonate resin molding material excellent in mold releasability and heat resistance during molding, and a molded article therefrom. According to the present invention, particularly, there is provided a polycarbonate resin molding material excellent in mold releasability and thermal stability during molding and suitable for producing a optical disk by incorporating a small amount of a mold release agent and a heat stabilizer.

Abstract: Compositions comprising a fluoropolymer having interpolymerized units derived from a nitrogen-containing cure site monomer and a catalyst composition are provided. The catalyst composition includes a compound having the general formula: {RA}(?){QR?k}(+) or the precursors thereof, wherein R is a nonfluorinated, partially fluorinated, or perfluorinated alkyl, alkenyl, cycloalkyl, cycloalkenyl, aryl or aralkyl, A is an acid- or acid-derivative anion, Q is phosphorous, sulfur, nitrogen, arsenic, or antimony, and each R? is hydrogen or an alkyl, aryl, aralkyl, or alkenyl group, k is the valence of Q; and optionally (c) an alcohol of the formula R2—OH, wherein R2 is an alkyl group which can be fluorinated. Also provided are a method of making a fluoropolymer, a method of increasing induction time, and fluoropolymer articles containing curable or cured fluoropolymer compositions.

Abstract: The present invention includes a composition comprising a coupled impact propylene copolymer. Preferably, the coupled impact propylene copolymer has an elastomeric phase that is present in an amount of at least 9 weight percent of the coupled propylene copolymer. Articles formed from the coupled propylene copolymer exhibit improved directionally balanced impact properties as compared with articles formed form comparable noncoupled impact propylene copolymers and also exhibit improved ductile-to-brittle transition temperatures compared with comparable noncoupled impact propylene copolymers. The invention also includes methods for making the coupled impact propylene copolymers using coupling agents, preferably, poly(sulfonyl azides). The invention further includes articles of manufacture that are made from the coupled impact propylene copolymer of the invention.

Abstract: A novel modified conjugated diene polymer is obtained by polymerizing a conjugated diene compound with a specified catalyst consisting of components (a)-(c) and then reacting with at least one specified compound selected from the group consisting of components (d)-(l), and has a content of cis-1,4-bond of not less than 85% and a ratio of weight average molecular weight to number average molecular weight of not more than 4. And also, a rubber composition comprises the modified conjugated diene polymer a rubber ingredient.

Abstract: A coupler is described for use in carbon black filled rubber compositions. The coupler includes an amine group and a thiol group or a polysulfidic linkage. The coupler improves the interaction of the carbon black with the rubber as measured by a decrease in the tan delta at 60° C. while substantially maintaining the tan delta at 0° C.

Abstract: A composition comprising a fluoropolymer comprising interpolymerized units derived from a nitrogen-containing cure site monomer; and a catalyst composition comprising a compound having the general formula: wherein the group HA is an acid, and each R1, R2, and R3 is, independently, the same or a different C1-C20 alkyl group, a C3-C20 cyclic or heterocyclic group, Rf(CH2)x—wherein Rf is a C1-C8 linear or branched and at least partially fluorinated alkylene, cycloalkylene, or oxyalkylene, and x is 1 to 4, or a bond to another R group such that the nitrogen is bonded to or part of an imino or heterocyclic group; wherein two or more R groups may be linked to form a cyclic, bicyclic or aromatic group, optionally comprising a heteroatom. Also provided are a method of making a fluoropolymer composition and articles prepared from the compositions.

Abstract: An emulsible polyolefin wax having sufficient functionality to be emulsible in an aqueous medium, a melt viscosity of less than 1,000 cps at 190° C., and an emulsion light transmittance of at least 10% at 525 nm with a 20 mm light pathlength.

Abstract: Coupled polymers are prepared by a process comprising heating an admixture containing (1) at least one polyolefin comprising ethylene and optionally at least one comonomer and (2) a coupling amount at least one poly(sulfonyl azide) to at least the decomposition temperature of the poly(sulfonyl azide) for a period sufficient for decomposition of at least 80 weight percent of the poly(sulfonyl azide) and sufficient to result in a coupled polymer; particularly where the polyolefin is the product of polymerization of ethylene and optionally at least one other alpha-olefin in the presence of a single site catalyst.

Abstract: A process is provided for the removal of iron- and rhodium-containing residues from a solution of hydrogenated nitrile rubber. The process utilizes an ion-exchange resin having thiourea functional groups. Further, the resin is both macroporour and monodispersed. The process removes both rhodium and iron from viscous rubber solutions. In a preferred embodiment, the process is carried out in an ion-exchange column.

Abstract: The present invention involves a method of making a multiblock copolymer containing two or more types of sequences of derivatives of acrylic acid with at least one derivative being acrylic acid salt and at least one being acrylamide. The method includes: (e) in sequence, a first step being a catalytic reaction of nitrile groups in polyacrylonitrile dissolved in an inorganic aqueous solvent of polyacrylonitrile; and, (f) at least one subsequent step being at least one catalytic reaction of nitrile groups in absence of polyacrylonitrile solvents. The present invention also pertains to the products resulting from the method.

Abstract: The invention features a new solid supports having at least one amino functionality and a linker bound to the solid support through at least a portion of the amino functional groups. The invention also features solid support bound substrates suitable for use in the formation of macrocycles by a TE domain catalyzed macrocyclization reaction. The invention features methods of making the solid supports and solid support bound substrates of the invention and methods of effecting macrocyclizations of solid support bound substrates. The invention further provides new macrocyclic molecules having one or more peptide domains and one or more polyketide domains in the macrocyclic ring. In another embodiment of the invention, libraries of macrocycles are provided as well as methods of forming libraries of macrocycles from libraries of solid support bound substrates are provided.

Abstract: A fluorine-containing elastomer composition comprising a terpolymer of tetrafluoroethylene, perfluoro(lower alkyl vinyl ether) and perfluoro(&ohgr;-cyanoalkyl vinyl ether) and a bisaminophenyl compound represented by the following general formula as a curing agent: wherein A is an alkylidene group having 1 to 6 carbon atoms, a perfluoroalkylidene group having 1 to 10 carbon atoms, a SO2 group, an O group, a CO group, or a carbon-carbon bond capable of directly coupling two benzene rings; and X and Y each are a hydroxyl group or an amino group can give a rubbery vulcanization product with a good processability and good physical properties by a commercially available cross-linking agent free from any safety problem.

Abstract: A polyimide having a repeating unit of the general formula (I) and a polyamic acid having a repeating unit of the formula (IV): (wherein, R1 and R2 represent H or a C1 to C20 alkyl group, and Z represents a condensed polycyclic aromatic group or an group of the following formulae: Herein, X represents —CO— or —C(═N2)—, Y represents a direct bond, —CH2—, —O—, —SO2—, —S—, —CO— or —C(═N2)—, and W represents a direct bond, —CH2—, —C(CH3)2—, —C(CF3)2—, —S—, —SO—, —SO2— or —O—, b, m and n are 0 or 1; r is a C1 to 4 alkyl group, halogen group or phenyl group; a is 0 or 1 to 3).

Abstract: The present invention provides a catalyst system that exhibits control of desired properties in the polymer product. The catalyst system includes a conventional supported Ziegler-Natta catalyst in combination with an electron donor having the general formula SiRm(OR′)4-m where R is selected from the group consisting of an alkyl group, a cycloalkyl group, an aryl group and a vinyl group; R′ is an alkyl group; and m is 0-3, wherein when R is an alkyl group, R may be identical with R′; when m is 0, 1 or 2, the R′ groups may be identical or different; and when m is 1, 2 or 3, the R groups may be identical or different. The system easily achieves efficiencies over 30 kg/g-cat·h. The system also exhibits good control over the xylene solubles of the polymer products and produces a highly crystalline polymer product.

Abstract: The invention includes a process of preparing a coupled polymer comprising heating an admixture containing (1) at least one polyolefin comprising ethylene and optionally at least one comonomer which is selected from alpha olefins having at least 3 carbon atoms, dienes and combinations thereof said polyolefin having a molecular weight distribution of less than or equal to about 3 and (2) a coupling amount at least one poly(sulfonyl azide) to at least the decomposition temperature of the poly(sulfonyl azide) for a period sufficient for decomposition of at least about 80 weight percent of the poly(sulfonyl azide) and sufficient to result in a coupled polymer; particularly where the polyolefin is the product of polymerization of ethylene and optionally at least one other alpha-olefin in the presence of a single site catalyst (transition metal like Va or Cr, metallocene or constrained geometry). The amount of poly(sulfonyl azide) is preferably from about 0.01 to about 5 weight percent of the polyolefin.

Abstract: The present invention includes a process of preparing a coupled polymer comprising heating an admixture containing (1) at least one elastomer comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 carbon atoms, dienes and combinations thereof and (2) a coupling amount at least one poly(sulfonyl azide) to at least the decomposition temperature of the poly(sulfonyl azide) for a period sufficient for decomposition of at least 80 weight percent of the poly(sulfonyl azide) and sufficient to result in a coupled polymer having a gel content of less than 2 weight percent. The invention includes compositions comprising the reaction product formed by the inventive process. The invention additionally includes articles which comprise a composition of the invention particularly when the article is formed from a melt of the composition.

Abstract: Polymers coupled by reaction with coupling agents according to the practice of the invention advantageously have at least one of these desirable properties and preferably have desirable combinations of these properties. The present invention includes a process of preparing a coupled polymer comprising heating an admixture containing (1) at least one elastomer comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 carbon atoms, dienes and combinations thereof and (2) a coupling amount at least one poly(sulfonyl azide) to at least the decomposition temperature of the poly(sulfonyl azide) for a period sufficient for decomposition of at least about 80 weight percent of the poly(sulfonyl azide) and sufficient to result in a coupled polymer having a gel content of less than about 2 weight percent.

Abstract: The present invention includes a molecular melt composition comprising an antioxidant and a coupling agent. The molecular melt is partially amorphous in nature. The invention also includes a method for making the molecular melt composition and a method for using the molecular melt to produce coupled polymers. The invention further includes a method for using an antioxidant to phlagmatize a coupling agent.

Abstract: The present invention includes a process of preparing a coupled polymer comprising heating an admixture containing (1) at least one elastomer comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 carbon atoms, dienes and combinations thereof and (2) a coupling amount at least one poly(sulfonyl azide) to at least the decomposition temperature of the poly(sulfonyl azide) for a period sufficient for decomposition of at least about 80 weight percent of the poly(sulfonyl azide) and sufficient to result in a coupled polymer having a gel content of less than about 2 weight percent.

Abstract: An emulsible polyolefin wax having sufficient functionality to be emulsible in an aqueous medium, a melt viscosity of less than 1,000 cps at 190° C., and an emulsion light transmittance of at least 10% at 525 nm with a 20 mm light pathlength.

Abstract: The present invention relates to a process for preparing novel, monodisperse crosslinked bead polymers having thiourea groups and their use for adsorbing metal compounds, in particular heavy metal compounds or noble metal compounds.

Abstract: A method of preparing a functionalized polymer comprising the steps of initiating the formation and propagation of an anionically-polymerized living polymer, and terminating the propagation of the living polymer by reacting the polymer with a terminating agent selected from the group of agents defined by the formulas (III), (IV), and (V) 1

Abstract: A method is disclosed for increasing the rate of vulcanization of a halogenated isobutylene sulfur rubber composition comprising heating said halogenated isobutylene rubber composition to a temperature ranging from 100° C. to 200° C., wherein said halogenated isobutylene rubber composition contains from 0.05 to 10 phr of sodium thiosulfate pentahydrate.

Abstract: The present invention is concerned with cross-linked sulfonated polymers, eventually perfluorinated, and their preparation process. When molded in the form of membranes, the polymers are useful in electrochemical cells, in a chlorine-sodium electrolysis process, as separator in an electrochemical preparation or organic and inorganic compounds, as separators between an aqueous phase and an organic phase, or as catalyst for Diels-Alder additions, Friedel-Craft reactions, aldol concentrations, cationic polymerisation, esterification, and acetal formation.

Abstract: The invention includes a process of preparing a coupled polymer blend comprising heating an admixture containing (1) a polymer blend containing: (A) from 1 to 99 weight percent of one ore more &agr;-olefin/hindered vinyl monomer substantially random interpolymers, each having been made from monomer components comprising: (1) from 0.5 to 65 mole percent of either (a) at least one vinyl aromatic monomer, or (b) at least one hindered aliphatic vinyl monomer, or (c) a combination of at least one vinyl aromatic monomer and at least one hindered aliphatic vinyl monomer; and (2) from 35 to 99.

Abstract: The present invention relates to rubber compounds containing aromatic ketone polysulfides of the formula: wherein R is selected from the group consisting of alkyls having from 1 to 18 carbon atoms and x is an integer of from 2 to 8.

Abstract: The invention provides a copolymer of an isomonoolefin having from 4 to 7 carbon atoms and containing a copolymerized alkenyl styrene moiety represented by the formula I: where m=0-2, n=0-20, each of R1 through R7 are independently selected from the group consisting of hydrogen, C1 to C10 alkyl and C1 to C10 primary or secondary alkyl halides, and at least one of R1, R2 or R3 is hydrogen, and when m=1 or 2, R3 and R1 are —CH2—.

Abstract: A chemical amplifying type positive resist composition, excellent in adhesion to a substrate and good in resist performances and suitable for exposure using a KrF excimer laser, ArF excimer laser, or the like, which comprises a resin having a polymerization unit of 2-alkyl-2-adamantyl (meth)acrylate and a polymerization unit of a monomer selected from 3-hydroxy-1-adamantyl (meth)acrylate and (meth)acrylonitrile, and an acid generator is provided.

Abstract: Sulfanylsilanes of the formula X1X2X3Si—A—S—SiR1R2R3 are prepared by reacting mercaptosilanes of the formula X1X2X3Si—Alkyl—SH with chlorosilanes Cl—SiR1R2R3. They are used as coupling agents in rubber mixtures.

Abstract: This invention relates to a polymer having functional groups at both terminals comprising the steps of: preparing a difunctional initiator by recating divinyl aromatic material and an organo-lithium compound in the presence of a hydrocarbon solvent; synthesizing a random copolymer derived from an aromatic vinyl and conjugated diene monomer at only one terminal of two anionic terminals; adding a polar additive to activate both terminals of said copolymer, followed by the addition of an electrophilic material. The polymer material, so prepared, has an excellent combination of properties such as improved rolling resistance for use in making tire rubber treads, since it can enhance the polymer-filler interaction.